In recent years, the planting area of ​​autumn potatoes has gradually increased, but due to the lack of popularization of scientific cultivation techniques, there has been a phenomenon that although the planting area has increased but the yield has not increased. Appropriate application of Gymboree microbial fertilizer in the germination stage and late growth stage of autumn potato can effectively improve this situation and allow autumn potato to enter the high-yield ranks.
Autumn potato has a short growth period and does not grow for a long time. Therefore, it is necessary to use varieties with early maturity and short dormancy, and the early germination treatment is the key to planting autumn potatoes. It is better to use small whole potato for seeding in autumn potato. If it is a large potato cut, it is necessary to disinfect the potato with methyl thiophanate or mixed ash, and germination after drying. When germination, the golden baby microbial fertilizer is diluted 3 to 4 times with water, and the potato pieces can be soaked. After soaking, remove the potato pieces and put them on the sand bed mixed with the golden baby microbial fertilizer (mixed with 200-300 g of this fertilizer per square meter of seedbed soil), and spread the thickness of the potato pieces to about 20 cm, then Cover the top and bottom of the wet sand with a thickness of about 5 cm. When the bud grows to about 2 cm, pour it out and put it in a cool place with scattered light for greening. After 2 to 3 days, choose sunny morning or evening sowing.
The average planting density of autumn potato is 5000-6000 plants per mu, and the amount of seed used is 150-180 kg. The narrow row of narrow plants is beneficial to soil cultivation. The row spacing is 40 cm, the hole spacing is 25 cm, the stem buds are facing downward, and the cover soil thickness is 5 cm. about. When the seedling height is about 15 cm, the soil permeability can be increased, and the temperature difference between day and night can be increased, which is favorable for high quality and high yield.
Before the autumn potato planting, the base fertilizer should be applied, and the baby baby microbial fertilizer is 1~2 kg per acre. It is mixed with the farmyard manure, chemical fertilizer or fine soil and then applied. After the emergence of the seedling, the cultivating loose soil is used. The microbial fertilizer is 1~2 kg, which can be mixed with urea to promote the rapid growth of the seedlings; in the middle and late period, the golden baby microbial fertilizer and the potassium dihydrogen phosphate are mixed for foliar spraying to promote the expansion of the autumn potato roots.
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